Finding the Fourth Proportional to 132,442.05, 182,811.84 and 84,695.58
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Solution
The fourth proportional to 132,442.05, 182,811.84 and 84,695.58 is: 116,906.64
Step by Step Solution
- Step 1: Write the proportion equation
132,442.05 : 182,811.84 = 84,695.58 : x - Step 2: Convert to fraction form
132,442.05/182,811.84 = 84,695.58/x - Step 3: Cross multiply
132,442.05x = 182,811.84 × 84,695.58 - Step 4: Simplify right side
132,442.05x = 15,483,354,819.67 - Step 5: Solve for x
x = 15,483,354,819.67/132,442.05 - Step 6: Final answer
x = 116,906.64
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.